#pragma once

class Constant
{
public:
    static const int BOOK_SUCCESS = 1;
    static const int BOOK_FAIL = 0;
    static const int BOOK_NOT_FOUND = -1;

    static const int CANCEL_SUCCESS = 1;
    static const int CANCEL_FAIL = 0;
    static const int CANCEL_NOT_FOUND = -1;
};